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From "Nikita Gubenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-2344) not enough free memory on one host of the cluster
Date Mon, 06 May 2013 14:24:16 GMT
Nikita Gubenko created CLOUDSTACK-2344:
------------------------------------------

             Summary: not enough free memory on one host of the cluster
                 Key: CLOUDSTACK-2344
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2344
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
    Affects Versions: 4.0.1, 4.1.0
            Reporter: Nikita Gubenko


Hi
I'm testing some overprovisioning cases. I have two XenServer hosts with lots of VMs on each.
When I try to upgrade resources on the VM on the host that doesn't have enough free memory
for it and try to start it I get

Task failed! Task record: uuid: 0582f281-5a54-27cd-ba23-a4edf60312f4
           nameLabel: Async.VM.start_on
     nameDescription:
   allowedOperations: []
   currentOperations: {}
             created: Thu Apr 25 00:29:34 MSK 2013
            finished: Thu Apr 25 00:29:34 MSK 2013
              status: failure
          residentOn: com.xensource.xenapi.Host@234582ee
            progress: 1.0
                type: <none/>
              result:
           errorInfo: [HOST_NOT_ENOUGH_FREE_MEMORY, 8659140608, 6721728512]
         otherConfig: {}
           subtaskOf: com.xensource.xenapi.Task@aaf13f6f
            subtasks: []

This is normal behavior, but CS doesn't try to start this VM on the second host of the cluster
which has enough free memory. OfferHA option is enabled.

I think this should be fixed, because there is no balanced VM distribution within a cluster,
so this situation can occur.

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